Problem 35 - A Complete Resource Book in Chemistry for JEE Main

Question

Chloramphenicol is used to treat (a) dysentery (b) typhoid (c) acute fever (d) all

Step-by-Step Solution

Answer

Chloramphenicol is used to treat typhoid.

Step 1: Understanding the Question

We are asked to identify the condition(s) for which chloramphenicol is used as a treatment. The options provided are dysentery, typhoid, acute fever, and all of the above.

Step 2: Recalling Medical Uses of Chloramphenicol

Chloramphenicol is an antibiotic used to treat bacterial infections. It is commonly known for treating specific conditions.

Step 3: Identifying Specific Conditions

Chloramphenicol is particularly known for its effectiveness in treating typhoid fever, a bacterial infection caused by Salmonella typhi.

Step 4: Eliminating Incorrect Options

While chloramphenicol may have some effect on dysentery caused by specific bacteria, it is not a main treatment for dysentery or acute fever (which is too general a symptom). Thus, options (a) and (c) are not specific treatments associated with chloramphenicol.

Step 5: Concluding the Answer

Since chloramphenicol is specifically recognized for treating typhoid fever among the given options, we conclude that option (b) is the correct answer.

Key Concepts

Antibiotic Treatment

Antibiotics are powerful medicines designed to combat bacterial infections, working by either killing the bacteria or inhibiting their growth. Chloramphenicol is one such antibiotic effective against a variety of bacteria. It is essential to understand that antibiotics only work on bacterial infections, not viral ones like the common cold. Using antibiotics appropriately is crucial to avoid antibiotic resistance, which happens when bacteria evolve to resist the effects of medicines. Regular misuse or overuse can lead to this resistance, making infections harder to treat. Thus, it's important for doctors to prescribe antibiotics like chloramphenicol judiciously and for patients to follow the prescribed regimen strictly.

Typhoid Fever

Typhoid fever is a serious illness caused by the bacterium Salmonella typhi. It is typically spread through contaminated food and water, especially in regions lacking proper sanitation. Symptoms include prolonged fever, fatigue, headache, nausea, and abdominal pain. Chloramphenicol is historically one of the first antibiotics used to treat typhoid fever effectively. However, other antibiotics like ciprofloxacin have become more common due to increasing chloramphenicol resistance in some regions. Vaccination can also help prevent typhoid fever, especially for people traveling to high-risk areas. Effective treatment and prevention strategies play a critical role in managing typhoid outbreaks.

Bacterial Infections

Bacteria are microscopic living organisms that can cause various infections in humans. Sometimes, beneficial bacteria live within our bodies, helping with processes like digestion. However, when harmful bacteria enter the body, they can cause diseases. Bacterial infections often require antibiotic treatment to help the immune system eliminate them. Besides typhoid fever, bacterial infections can lead to conditions like strep throat, tuberculosis, and urinary tract infections. Diagnosing the specific type of bacteria responsible for an infection is vital in choosing the right treatment. Medical tests and cultures help identify the bacteria, leading to more effective use of antibiotics like chloramphenicol when appropriate.

Medical Pharmacology

Medical pharmacology is the branch of medicine focusing on the use of drugs to treat diseases. It involves the study of chemical substances and how they interact with the body to combat illnesses. Understanding pharmacological principles is essential for prescribing the right medication. Each drug has a specific mechanism of action, potential side effects, and interactions with other substances. Chloramphenicol, for instance, works by inhibiting bacterial protein synthesis, effectively stopping bacteria from growing and reproducing. Prescribing the correct antibiotic, like chloramphenicol, requires a thorough understanding of these principles to ensure patient safety and effective treatment.